func_nav_connection_blocker

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... Icon-Important.png
class hierarchy
CFuncNavConnectionBlocker
CBaseEntity
Toolstrigger.gif

func_nav_connection_blocker is a brush entity available in Left 4 Dead 2 Left 4 Dead 2. It prevents vertical connections to be made through its volume during navmesh generation.

Example

It's used only in c5m5_bridge. You can see its brush like in the pictures below when convar nav_show_connectionblockers is 1 while round starts and the brush uses tools/toolstrigger texture. Blue lines in the pictures are connections going from upper areas to the lower ones.

Navmesh generated without func_nav_connection_blocker
Navmesh generated with func_nav_connection_blocker
Example showing func_nav_connection_blocker working correctly even with rotated brush models

See also